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Non-potable water lead lab report sample list, Oct 2001

Machine-extracted title · confidence 90%

Laboratory documentation listing sample IDs and analytical parameters for non-potable water lead testing conducted in October 2001.

NYC-WTC_000064544–000064570

Folder label: “Pb

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NYC 9/11 Public Portal Document

The calibration curve has been edited.

' El*ement: Pb Seq. No.: 65 AS Loc.: 38 Date: 10/15/2001 San^jle ID: S30 pL dispensed: 5 from 36, 5 from 37, 15 from 38, 20 from 8 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 -0.209 -0.206 1.377 0.149 0.042 17:18:56 No Background changing during BOC. No calibration because standard abs. and cone, values are not in the same order. Addition number 3 not applied. [ ] [Pb] Sample Concentration 0.8327 pg/L The calibration curve has been edited.

Element: Pb Seq. No.: 66 AS Loc.: 38 Date: 10/15/2001 Sample ID: S30 pL dispensed: 5 from 36, 5 from 37, 15 from 38, 20 from 8 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 0.073 0.077 0.102 0.075 0.034 17:43:05 No Addition number 3 applied. [30.0] Correlation Coefficient: 0.9981 Slope: 0.0024 [Pb] Sample Concentration 0.4794 pg/L

Element: Pb Seq. No.: 67 AS Loc.: 38 Date: 10/15/2001 Sample ID: S40 pL dispensed: 5 from 37, 20 from 38, 20 from 8 Repl SampleConc StndConc BlnkCorr Peak Peak Bkgnd Bkgnd .. Time Peak # pg/L pg/L Signal Area Height Area Height Stored 1 0.037 0.041 0.063 0.082 0.036 17:45:42 No No calibration because standard abs. and cone, values are not in the same order. Addition number 4 not applied. [ ] [Pb] Sample Concentration 0.4794 pg/L

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NYC-WTC_000064569

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NYC-WTC_000064569Source: NYC Law Department, mirrored locally

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